• Northbound State Route 51 ramp to westbound Loop 101 will be closed from 10 p.m. Friday to 4 a.m. Saturday from 10 p.m. Saturday to 5 a.m. Monday for bridge work and lane striping.

• Southbound Loop 101’s on-ramp at McDowell Road and off-ramp at McKellips Road will be closed from 11:30 p.m. Friday to 10 p.m. Sunday for rubberized asphalt paving. Southbound Loop 101’s on-ramp at Thomas Road and the off-ramp at McDowell Road will be closed from 11 p.m. Saturday to 10 p.m. Sunday for rubberized asphalt paving.

• Northbound Interstate 17 will be narrowed to one lane overnight between McDowell and Indian School roads from 9 p.m. Sunday to 5 a.m. Monday for pavement repair. Both I-10 ramps to northbound I-17 at the “Stack” interchange will be closed. Northbound I-17 on-ramp at McDowell Road and northbound off- and on-ramps at Thomas Road will also be closed.